List of the Top 20 Firewall Software for Azure Marketplace in 2025

Cloudflare serves as the backbone of your infrastructure, applications, teams, and software ecosystem. It offers protection and guarantees the security and reliability of your external-facing assets, including websites, APIs, applications, and various web services. Additionally, Cloudflare secures your internal resources, encompassing applications within firewalls, teams, and devices, thereby ensuring comprehensive protection. This platform also facilitates the development of applications that can scale globally. The reliability, security, and performance of your websites, APIs, and other channels are crucial for engaging effectively with customers and suppliers in an increasingly digital world. As such, Cloudflare for Infrastructure presents an all-encompassing solution for anything connected to the Internet. Your internal teams can confidently depend on applications and devices behind the firewall to enhance their workflows. As remote work continues to surge, the pressure on many organizations' VPNs and hardware solutions is becoming more pronounced, necessitating robust and reliable solutions to manage these demands.

Zscaler stands out as a pioneer with its Zero Trust Exchange platform, which utilizes the most expansive security cloud in the world to optimize business functions and improve responsiveness in a fast-evolving landscape. The Zero Trust Exchange from Zscaler enables rapid and safe connections, allowing employees the flexibility to operate from any location by treating the internet as their corporate network. Following the zero trust principle of least-privileged access, this solution provides robust security through context-aware identity verification and stringent policy enforcement. With a network spanning 150 data centers worldwide, the Zero Trust Exchange ensures users are closely connected to the cloud services and applications they depend on, like Microsoft 365 and AWS. This extensive infrastructure guarantees the most efficient routes for user connections, ultimately delivering comprehensive security while ensuring an outstanding user experience. In addition, we encourage you to take advantage of our free service, the Internet Threat Exposure Analysis, which is designed to be quick, secure, and private for all participants, helping organizations pinpoint vulnerabilities and effectively bolster their security defenses. Our commitment to safeguarding your digital environment is paramount, and this analysis serves as an essential step toward enhancing your organization's resilience against potential threats.

Securing networks poses considerable difficulties, with many current solutions being complicated and difficult to implement effectively. Explore how Cisco Meraki can simplify your security protocols! Esteemed worldwide, it is favored by top brands for its reliable offerings. With over a million active networks, organizations around the globe depend on Meraki for superior service and support. All Meraki devices are managed securely and centrally from the cloud via a consolidated web dashboard. Our intuitive and feature-rich framework empowers clients to save time, reduce operational costs, and tackle new business challenges with ease. Recognized as the gold standard for straightforward management and efficient, dependable Wi-Fi, it guarantees strong security and connectivity for your most important assets, regardless of your location. Enjoy unmatched performance and reliability at the heart of your network, complemented by remote monitoring and identity-based configuration for every device in your system. This cutting-edge approach not only boosts security but also enhances network efficiency, making it an ideal solution for businesses of any scale, ensuring they can thrive in a constantly evolving digital landscape.

Our hardware solutions equipped with ML-Enhanced NGFW technology empower users to proactively address unidentified threats, achieve comprehensive visibility across all devices, including IoT, and reduce errors with automated policy recommendations. The VM-Series functions as the virtual equivalent of our ML-Enhanced NGFW, protecting your applications in both private and public cloud environments through efficient segmentation and robust threat prevention strategies. Concurrently, the CN-Series, specifically crafted for containerized settings, guarantees that complex network threats cannot spread across Kubernetes namespace boundaries, significantly bolstering security measures. Collectively, these advanced solutions offer a thorough defense framework tailored to meet the unique needs of various infrastructures, ensuring that organizations can adapt to evolving security challenges effectively. This multifaceted approach not only enhances protection but also simplifies management for IT teams.

FortiWeb WAF safeguards web applications and APIs against the OWASP Top 10 vulnerabilities, zero-day threats, and various application-layer assaults. Additionally, it offers comprehensive functionalities like API discovery and protection, bot mitigation strategies, in-depth threat analytics, and sophisticated reporting tools to enhance security. With these features, it provides a thorough defense mechanism for organizations seeking to secure their digital assets.

Secure both on-premises and multi-cloud environments with a comprehensive firewall solution specifically designed for cloud security. The seamless, cloud-based Advanced Threat Protection system efficiently detects and mitigates sophisticated threats, including zero-day exploits and ransomware incidents. With access to an extensive global threat intelligence network, informed by millions of data points, organizations can quickly respond to new and evolving threats. As modern cyber risks, such as ransomware and advanced persistent threats, continue to escalate, the need for sophisticated defensive strategies that ensure accurate threat detection and rapid response becomes paramount. The Barracuda CloudGen Firewall offers a robust array of next-generation firewall technologies, providing immediate defense against a diverse range of network risks, vulnerabilities, and attacks including SQL injections, cross-site scripting, denial of service assaults, and various types of malware. This powerful solution not only bolsters security but also facilitates adherence to industry regulations, thereby becoming an indispensable asset for any organization dedicated to protecting its digital resources. Moreover, with the increasing complexity of cyber threats, the importance of integrating advanced security measures cannot be overstated.

Experience unmatched visibility, strong security measures, and swift response capabilities designed to empower your network management. Gaining enhanced insight into dangerous behaviors, irregular traffic trends, and advanced threats enables you to regain control of your network environment. State-of-the-art protection technologies, incorporating deep learning and intrusion prevention systems, guarantee the safety and integrity of your organization. Automated threat response mechanisms swiftly identify and isolate any compromised systems, effectively preventing the escalation of security breaches. The XG Firewall streamlines the process of providing secure network access for employees, no matter where they are located. With Sophos Connect, deploying and configuring a user-friendly VPN client is a breeze, allowing seamless connectivity for your remote workforce. This functionality permits secure access to corporate resources from devices running both Windows and macOS operating systems. Additionally, our compact and economical XG 86(w) and SD-RED devices offer excellent SOHO protection, featuring always-on dedicated or split-tunnel VPN options that are easy to manage and implement with various customizable features. This thorough strategy not only fortifies your network but also ensures it remains flexible and prepared to tackle the continuously changing threat landscape. Ultimately, investing in these advanced solutions keeps your organization safe and adaptable in a dynamic digital world.

The pfSense initiative offers a cost-free network firewall solution, built upon the FreeBSD operating system and featuring a tailored kernel. Additionally, it encompasses various third-party open-source software packages. Thanks to its package management system, pfSense can deliver functionalities that rival or exceed those of standard commercial firewalls, all without any imposed restrictions. As a result, it has supplanted numerous leading commercial firewalls in installations worldwide, such as those from Check Point, Cisco PIX, Cisco ASA, and Juniper, demonstrating its growing popularity and reliability in the cybersecurity landscape. This shift reflects the increasing trust users place in open-source solutions for their network security needs.

The Forcepoint Next Generation Firewall delivers a comprehensive multi-layered defense mechanism that protects networks, endpoints, and users from advanced cyber threats. It stands out in its ability to efficiently manage large quantities of firewalls and firewall fleets while maintaining optimal performance levels. With a strong emphasis on management simplicity, it offers detailed controls and significant scalability within its management features. Important evaluations include its ability to block threats, manage IP packet fragmentation and TCP segmentation, along with assessments of false positives, system stability, and overall dependability. The firewall's proficiency in countering evasion tactics, such as HTTP evasions and various combinations, has also been meticulously analyzed. Unlike conventional hardware-based systems, this NGFW is architected as software, which facilitates flexible deployment across hardware, virtual environments, or cloud infrastructures. Its open APIs allow users to customize automation and orchestration to meet specific requirements. Furthermore, our products consistently undergo rigorous certification testing to meet the strict standards of sensitive industries, government entities, and organizations globally, ensuring they remain leaders in security technology. This unwavering commitment underscores our pledge to deliver trustworthy protection amid an ever-changing threat environment, reinforcing our position as a key player in cybersecurity innovation.

Conventional packet filters are slowly losing relevance as the trend shifts towards Next-Generation Firewalls, even among open-source solutions. Among these, OPNsense emerges as a prominent choice, offering features such as intrusion detection, application management, web filtering, and antivirus protection. Every network, regardless of scale, faces threats; even devices in domestic settings, like smartwatches and washing machines, are vulnerable and require strong security protocols. Firewalls are essential components of a holistic security approach, providing protection against both traditional and novel threats. To ensure a firewall's effectiveness, it is crucial to have a thorough understanding of its features, make sure it is user-friendly, and position it strategically within the network. OPNsense meets these vital criteria through various functionalities, making it a formidable solution. This book is designed to be an essential resource for those interested in grasping, installing, and configuring an OPNsense firewall efficiently. By delving into the complexities of OPNsense, users can significantly enhance their digital security posture. Additionally, the insights provided will empower individuals to navigate the evolving landscape of cybersecurity with confidence.

An advanced load balancing solution designed for high performance ensures that your applications remain highly available, fast, and secure. This solution guarantees efficient and dependable application delivery across various data centers and cloud environments, effectively reducing latency and downtime while improving the experience for end users. It features a comprehensive full-proxy Layer 4 and Layer 7 load balancer, equipped with adaptable aFleX® scripting and personalized server health checks. Furthermore, it enhances application security through sophisticated SSL/TLS offloading, single sign-on (SSO), robust DDoS protection, and integrated Web Application Firewall (WAF) capabilities. With these features, businesses can confidently scale their operations while maintaining optimal performance and security for their applications.

Azure Firewall is a comprehensive, cloud-managed network security solution that aims to protect the assets within your Azure Virtual Network. Functioning as a fully stateful firewall, it boasts built-in high availability and infinite scalability specifically designed for cloud infrastructures. By implementing Azure Firewall, you can effortlessly simplify both the deployment and management of your network security measures while guaranteeing strong protection for your critical resources. This service allows you to create, enforce, and track connectivity policies for applications and networks across multiple subscriptions and virtual networks. Moreover, with Azure Firewall, you can centralize security management across all virtual networks, employing a cohesive set of application and network rules to boost security oversight. This unified approach not only simplifies management tasks but also significantly strengthens your network's overall defense mechanisms, making it a vital tool for any organization operating in the cloud. In today’s digital landscape, the importance of robust network security cannot be overstated, and Azure Firewall plays a crucial role in achieving this.

Open-source software combined with a universal router plays a crucial role in making network access more equitable for all. VyOS aims to transform the way individuals connect to networks, empowering them to create the solutions they envision without facing constraints, limitations, or exorbitant costs. We assert that access to the internet is as vital for human progress as essential resources like food, water, air, and healthcare. Founded by engineers with a passion for innovation, VyOS stands as an open-source company dedicated to facilitating unrestricted network access without financial barriers. Our mission is realized through VyOS, leveraging our open-source software and virtual platforms to provide robust solutions. We offer features such as stateful firewalls, zone-based firewalls, and various types of NAT, including one-to-one, one-to-many, and many-to-many configurations. Moreover, our commitment extends to transparency, allowing users to engage in auditing, create customized images, and contribute to the development, with full access to the entire codebase and build toolchain available to all. This collaborative approach not only enhances security but also fosters a community of innovation and shared knowledge.

Advanced threat protection is crucial for a wide range of organizations, from small enterprises to global corporations and cloud-based setups. Experience unparalleled network security customized to your specific requirements. SonicWall's next-generation firewalls (NGFW) provide the vital security, management, and insight necessary to maintain a strong cybersecurity posture, regardless of whether you are running a compact office or an extensive cloud network. Each firewall is built with SonicWall's award-winning technology and innovative hardware, ensuring you remain proactive against evolving threats. SonicWall firewalls are crafted to meet diverse network sizes and cater to your distinct security needs while being cost-effective, thus delivering strong protection for your digital resources. In addition, the SonicWall NSv Series virtual firewall fuses the protective capabilities of a conventional firewall with the benefits of virtualization, offering improved scalability, quick system deployment, easy management, and substantial cost efficiency, making it a perfect choice for contemporary businesses. By harnessing these sophisticated technologies, organizations can confidently tackle the challenges posed by today's complex cyber environment while optimizing their security strategies.

FortiGate next-generation firewalls (NGFWs) deliver outstanding protection against threats while offering automated visibility to prevent potential cyber attacks. These firewalls support security-driven networking and incorporate advanced security features such as intrusion prevention systems (IPS), web filtering, SSL inspection, and automated defenses against threats. Tailored to address the performance needs of large hybrid IT infrastructures, Fortinet NGFWs assist organizations in streamlining operations and efficiently tackling security vulnerabilities. Backed by AI-driven FortiGuard Labs, they provide proactive threat mitigation through rapid inspection of both unencrypted and encrypted traffic, including the latest encryption standard, TLS 1.3, allowing them to stay ahead in a constantly changing threat environment. The ability of FortiGate NGFWs to scrutinize data traffic that enters and leaves the network occurs at an unparalleled speed and scale. This feature effectively protects against a multitude of threats, such as ransomware and DDoS attacks, while simultaneously bolstering overall network reliability and security. With their strong architecture and sophisticated capabilities, FortiGate NGFWs are indispensable for any organization striving to uphold a secure digital landscape. Furthermore, their capacity for real-time monitoring and response enhances the organization's resilience against emerging threats.

All around us, intelligent control points are put in place to offer a cohesive view of policies and potential threats. Today's applications are fluid, functioning seamlessly across a variety of environments. To help you stay ahead of the curve, Cisco envisions a holistic approach to network security that integrates a multitude of solutions. These dynamic policies are crafted to benefit you, providing synchronized protection at both the firewall and workload levels. As networks confront increasingly sophisticated threats, leveraging top-tier intelligence while ensuring consistent protection in every dimension becomes crucial. Now is the time to enhance your security posture with Cisco Secure Firewall. Given the rising interconnectedness of networks, achieving complete threat visibility and managing policies effectively can prove to be quite challenging. Simplify your security management while boosting visibility across both distributed and hybrid networks. Cisco Secure Firewall establishes a foundation for embedding formidable threat prevention capabilities into your current network architecture, effectively turning your network into an extension of your firewall strategy. By adopting these solutions, you not only strengthen your defenses against evolving cyber threats but also gain peace of mind knowing you're prepared for whatever comes next. Embrace the future of security with confidence and resilience.

Optimize and unify your firewall management along with your intrusion prevention systems for greater efficacy. With improved visibility across diverse and global networks, you can proficiently monitor modern applications and tackle malware threats as they arise. Effortlessly switch between managing multiple firewalls, controlling applications, and thwarting intrusion attempts as well as halting malware spread. Formulate a detailed policy and ensure its application across various security protocols within your network infrastructure. Enjoy streamlined oversight and governance over firewalls, applications, and intrusion prevention systems, while also safeguarding against harmful files and malware. Manage your firewalls effectively via our on-premises hardware or any virtual environment of your choice. Additionally, you can implement the same management solution on your public cloud setup, or further enhance productivity with our cloud-based option. Rapidly detect sophisticated threats across all attack vectors and prioritize them based on their potential impact, enabling quicker incident response times. This comprehensive strategy not only strengthens your defenses but also adapts to the ever-changing landscape of cyber threats, ensuring your organization remains resilient. By employing these solutions, you will create a formidable barrier against future risks.

Address your security requirements with virtual firewalls that are not only easy to automate and scale but also straightforward to deploy in scenarios where conventional hardware firewalls may pose challenges. The VM-Series virtual firewalls provide the exceptional, machine learning-enhanced capabilities of Palo Alto Networks' next-generation hardware firewalls in a virtual environment, enabling you to safeguard the vital ecosystems that contribute to your competitive advantage and drive innovation. By leveraging this all-encompassing solution, you can improve cloud agility and responsiveness while seamlessly integrating threat prevention into your segments and microsegments, resulting in a robust security framework. This cohesive strategy empowers organizations to navigate the rapidly changing digital landscape with assurance and effectiveness. Additionally, the flexibility of these virtual firewalls allows businesses to adapt their security measures to meet specific needs as they evolve.

As companies increasingly migrate their operations to the cloud to leverage the benefits of virtualization, they must also confront the new security challenges that arise during this process. The vSRX Virtual Firewall provides comprehensive and adaptable security measures designed specifically for private, public, and hybrid cloud settings. This advanced firewall empowers organizations to fully adopt cloud solutions while ensuring they have effective defenses against various potential threats. By integrating such security measures, businesses can enhance their overall resilience in the ever-evolving digital landscape.

The Cisco Adaptive Security Appliance (ASA) Software is the core operating system for the Cisco ASA Family, delivering powerful enterprise-grade firewall capabilities across multiple configurations such as standalone devices, blades, and virtual appliances, making it ideal for a wide range of network environments. Furthermore, the ASA Software collaborates seamlessly with other critical security technologies, providing comprehensive solutions that can evolve with the dynamic nature of security needs. This synergistic approach empowers organizations to uphold superior protection against new threats while enhancing the performance of their networks. In addition, the flexibility of ASA Software ensures that it can meet the specific demands of various industries and operational scales.